| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 21.348 | N/A |
| 2 | 2 | 22.913 | 22/8:22.521 |
| 3 | 1 | 23.758 | 21/8:08.058 |
| 4 | 2 | 25.259 | 21/8:20.881 |
| 5 | 2 | 19.327 | 22/8:20.447 |
| 6 | 2 | 25.275 | 21/8:07.476 |
| 7 | 2 | 18.775 | 22/8:14.922 |
| 8 | 2 | 26.218 | 21/8:02.848 |
| 9 | 2 | 19.803 | 22/8:17.334 |
| 10 | 2 | 27.647 | 21/8:05.736 |
| 11 | 4 | 32.999 | 20/8:01.098 |
| 12 | 4 | 20.844 | 21/8:19.198 |
| 13 | 4 | 20.965 | 21/8:14.319 |
| 14 | 3 | 21.765 | 21/8:11.421 |
| 15 | 3 | 23.541 | 21/8:11.475 |
| 16 | 3 | 19.945 | 21/8:06.726 |
| 17 | 3 | 21.995 | 21/8:05.134 |
| 18 | 3 | 21.630 | 21/8:03.299 |
| 19 | 3 | 22.002 | 21/8:02.082 |
| 20 | 3 | 21.790 | 21/8:00.770 |
| 21 | 3 | 27.453 | 21/8:05.252 |